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8 June, 05:59

Tell me what happens during Observing a chemical change

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  1. 8 June, 07:39
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    Gas bubbles can appear, there may be a color change, there may be a temperature change, there could be the production of light, volume change, change in smell or taste, or formation of a precipitate.

    In a chemical change, atoms react with each other to form a new substance/product.
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